102424425 has 12 divisors (see below), whose sum is σ = 169341840. Its totient is φ = 54626320.

The previous prime is 102424393. The next prime is 102424447. The reversal of 102424425 is 524424201.

It is a happy number.

It is not a de Polignac number, because 102424425 - 2⁵ = 102424393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102424395 and 102424404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 682755 + ... + 682904.

It is an arithmetic number, because the mean of its divisors is an integer number (14111820).

Almost surely, 2^102424425 is an apocalyptic number.

102424425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102424425 is a deficient number, since it is larger than the sum of its proper divisors (66917415).

102424425 is a wasteful number, since it uses less digits than its factorization.

102424425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365672 (or 1365667 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 102424425 is about 10120.4952942037. The cubic root of 102424425 is about 467.8800326222.

Adding to 102424425 its reverse (524424201), we get a palindrome (626848626).

The spelling of 102424425 in words is "one hundred two million, four hundred twenty-four thousand, four hundred twenty-five".